719
FZPN01 KWBC 110338
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI SEP 11 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC SEP 11.
24 HOUR FORECAST VALID 0000 UTC SEP 12.
48 HOUR FORECAST VALID 0000 UTC SEP 13.

.WARNINGS.

...TROPICAL STORM WARNING...
.SEE HFO PORTION IN HSFEPI FOR MORE INFORMATION ABOUT TROPICAL
STORM LOWELL.
.TROPICAL STORM LOWELL NEAR 29.0N 169.9W 995 MB AT 0300 UTC
SEP 11 MOVING W OR 270 DEG AT 09 KT. MAXIMUM SUSTAINED WINDS
45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM
NE...80 NM SE...AND 120 NM NW QUADRANTS. SEAS 4 M OR GREATER
WITHIN 510 NM NE...240 NM SE...270 NM SW...AND 420 NM NW
QUADRANTS WITH SEAS TO 6.5 M.
.24 HOUR FORECAST POST-TROPICAL CYCLONE LOWELL NEAR
30.6N172W 1001 MB. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50
KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM AND 90 NM NW
QUADRANTS. SEAS 4 M OR GREATER WITHIN 180 NM N AND NE
SEMICIRCLES WITH SEAS TO 5.5 M.
.48 HOUR FORECAST POST-TROPICAL CYCLONE LOWELL NEAR
34N175W 998 MB. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
TROPICAL STORM FORCE WINDS WITHIN 90 NM NE...80 NM SE AND
NW QUADRANTS. SEAS 4 M OR GREATER WITHIN 240 NM N AND 120
NM S SEMICIRCLES WITH SEAS TO 5.5 M.
.FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD
BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...
SIZE AND INTENSITY.

...GALE WARNING...
.LOW 60N178E 1002 MB MOVING NE 15 KT. W AND NW OF A LINE
FROM 53N177W TO 65N163W WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.
ELSEWHERE N OF 51N W OF 161W WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. N OF 61N W OF ALASKA WINDS
TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST N OF 61N BETWEEN 161W AND 171W WINDS TO
25 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 40N BETWEEN 140W AND 158W WINDS 20 TO 30 KT.
SEAS TO 3.5 M.
.24 HOUR FORECAST NEW LOW TO FORM NEAR 30N152W 1013 MB.
WITHIN 540 NM N AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 3 M.
.48 HOUR FORECAST LOW MOVED S OF AREA. FROM 33N TO 41N
BETWEEN 141W AND 154W WINDS TO 25 KT. SEAS TO 2.5 M.

.LOW 55N135W 1018 MB MOVING SE 30 KT. FROM 40N TO 51N BETWEEN
124W AND 140W...AND N OF 53N BETWEEN 140W AND 152W WINDS 20
TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 48N130W 1013 MB. WITHIN 420 NM W AND NW
QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 45N126W 1012 MB. WITHIN 420 NM W AND SW
QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.

.24 HOUR FORECAST FROM 31N TO 42N BETWEEN 117W AND 126W NW
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 31N TO 39N BETWEEN 118W AND 125W NW
WINDS TO 25 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 61N
BETWEEN 160W AND 178W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 60N W OF 161W.
.48 HOUR FORECAST DENSE FOG FROM 50N TO 56N W OF 159W.

.FORECASTER MILLS. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0000 UTC FRI SEP 11.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 12.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 13.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM NORBERT NEAR 16.4N 121.9W 1000 MB AT 0300 UTC
SEP 11 MOVING W OR 270 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 45
KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S
SEMICIRCLE...60 NM NE QUADRANT AND 40 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 0 NM S SEMICIRCLE...120 NM NE QUADRANT AND 90
NM NW QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 19N120W TO
20N122W TO 19N123W TO 17N124W TO 16N123W TO 16N119W TO 19N120W
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN
19N117W TO 20N120W TO 19N123W TO 16N123W TO 16N121W TO 16N118W TO
19N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM NORBERT NEAR 16.6N 126.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...30 NM SE QUADRANT...20 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120
NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 5.5 M. ELSEWHERE WITHIN
20N124W TO 20N127W TO 19N128W TO 17N128W TO 16N126W TO 18N124W
TO 20N124W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF
AREA WITHIN 21N124W TO 20N129W TO 16N129W TO 14N126W TO 18N123W
TO 21N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE NORBERT NEAR 17.4N 129.9W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120
NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 6.0 M. ELSEWHERE WITHIN
20N127W TO 21N129W TO 21N130W TO 20N132W TO 17N130W TO 20N127W
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN
22N128W TO 23N132W TO 20N134W TO 17N134W TO 15N131W TO 18N127W TO
22N128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 12N87W TO 11N89W TO 10N89W TO 10N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 30
KT. SEAS 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 15N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW TO N WINDS 20
TO 30 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 01S94W TO 02N101W TO 02N112W TO 00N125W TO 03.4S120W TO
03.4S94W TO 01S94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
SWELL.
.24 HOUR FORECAST WITHIN 00N104W TO 01N112W TO 00N120W TO
03.4S120W TO 03.4S97W TO 00N104W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN SE SWELL.
.48 HOUR FORECAST WITHIN 01S108W TO 02N116W TO 01N126W TO
00N127W TO 03.4S120W TO 03.4S93W TO 01S108W...EXCEPT LEE OF
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
TO S SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0300 UTC FRI SEP 11...

.TROPICAL STORM NORBERT...NUMEROUS MODERATE TO SCATTERED STRONG
CONVECTION IS OBSERVED FROM 15N TO 20N BETWEEN 116W AND 122W.
SCATTERED MODERATE TO ISOLATED STRONG FROM 12N TO 15N BETWEEN
114W AND 119W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 13N117W...FROM 11N122W TO 11N140W.
SCATTERED MODERATE ISOLATED STRONG N OF 02N E OF 90W...S OF 15N
W OF 125W.


.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.

$$